Vulnerability in GitHub Enterprise Server
CVE-2023-6803
A race condition in GitHub Enterprise Server allows an outside collaborator to be added while a repository is being transferred. This vulnerability affected all versions of GitHub Enterprise Server since 3.8 and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.002 (5.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- GitHub Enterprise Server — versions 3.8, 3.9, 3.10
- GitHub Enterprise Server — versions 3.11.0
Weakness classification (CWE)
References
- docs.github.com/en/enterprise-server@3.8/admin/release-notes (Release Notes)
- docs.github.com/en/enterprise-server@3.9/admin/release-notes (Release Notes)
- docs.github.com/en/enterprise-server@3.10/admin/release-notes (Release Notes)
- docs.github.com/en/enterprise-server@3.11/admin/release-notes (Release Notes)
Frequently asked questions
- What is CVE-2023-6803?
- CVE-2023-6803 is a medium-severity vulnerability in GitHub Enterprise Server, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.8/10. Published 2023-12-21.
- How severe is CVE-2023-6803?
- Medium severity. CVSS v3 base score is 5.8 out of 10.